The testicular tissue of three types of yak bull (1/2 wild yak,cross 1/2 wild yak and domestic yak) were studied quantit......

目的:探讨生后不同日龄大鼠下丘脑神经核团的发育状况,为研究动物脑发育、行为改变提供形态学资料.方法:采用生后不同日龄大鼠,制......